11)Adverse effect on fetal heart rate (FHR) will be defined as i)presence of any type of deceleration without uterine contraction ii)Reduced variability<5 b/m for >40 minutes, iii) Variable & late decelerations, in the presence of uterine contractions iii) FHR<110b/m or >160b/m detected on CTG 2 hour after starting treatment, with a baseline normal CTG on admission.